would love it if the last god/goddess percy has to do a quest for is hestia. and all she only asks of him a simple, easy-to-do, done in two minutes task. and then that's it. no tricks or double meanings. and he just sobs into her shoulder at the end of it. and she just holds him and tells him that he's all done. he can go live his life now.
god or asking him to cook a meal with her. or some fucking thing that is just domestic and kind and literally everything he's wanted since he was like 14